COMPOSITION OF STARCH-BASED BIODEGRADABLE RESIN/WASTE PAPER COMPLEX AND MOLDED PRODUCT THEREOF

PROBLEM TO BE SOLVED: To provide a molding material (material for molding) which exerts an excellent flow property at molding despite its relatively high content of waste paper, and a molded product having a high biodegradability using this molding material. SOLUTION: A molded product is prepared by...

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Bibliographische Detailangaben
Hauptverfasser:	NAKATANI NOBUO, SHIMOOOSONO TETSUYA, HINO JIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL METALLURGY NAILING OR STAPLING MACHINES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a molding material (material for molding) which exerts an excellent flow property at molding despite its relatively high content of waste paper, and a molded product having a high biodegradability using this molding material. SOLUTION: A molded product is prepared by injection molding, extrusion molding or blow molding a molding material. This molding material contains starch, a biodegradable resin, a fine-powdery waste paper and a starch plasticizer. Here, the weight ratio of a mixture comprising starch and the biodegradable resin, wherein the weight ratio of starch to the biodegradable resin is within the range of from 90:10 to 50:50 to the fine powder waste paper (mixture: fine powder waste paper) is from 20:80 to 50:50, and the starch plasticizer content is within the range of from 10 to 50 wt.% of the total weight of starch, the biodegradable resin and the fine powder waste paper.